Workbench of fixed-degree hardness block and fixed-degree method of workbench

A workbench, hardness technology, applied in the direction of testing material hardness, strength characteristics, measuring devices, etc., can solve the problem of difficult to evenly distribute the hardness indentation, and achieve the effect of accurate determination and simple operation.

Active Publication Date: 2020-10-09
AECC AVIATION POWER CO LTD
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Problems solved by technology

Since the conversion of the position of the hardness block is manual during the entire calibration process, it is difficult to ensure that the measured five hardness indentations are evenly distributed in the true sense, and the measured results may be different from those measured under the ideal uniform distribution state. There is some discrepancy between the results

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  • Workbench of fixed-degree hardness block and fixed-degree method of workbench
  • Workbench of fixed-degree hardness block and fixed-degree method of workbench
  • Workbench of fixed-degree hardness block and fixed-degree method of workbench

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0032] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a workbench of a fixed-degree hardness block and a fixed-degree method of the workbench, and belongs to the field of fixed-degree hardness blocks. According to the workbench ofthe fixed-degree hardness block, a working disc and a cam are of an integrated structure, the working disc for supporting the hardness block is arranged at the top, and the cam designed according todotting spline curves evenly distributed on the working face of the hardness block is arranged below the working disc; a linear guide rail and a support are fixed to the base, a first bearing pedestalis fixed to a sliding block of the linear guide rail and used for achieving linear motion of the working disc, and a thrust bearing is arranged on the first bearing pedestal. A ratchet wheel is arranged on the mandrel, and a limiting mechanism is arranged on the first bearing seat to realize one-way rotation; a spring is arranged between the bracket mechanism and the cam to ensure that the cam and the support rod are always in a tangent state; and when the scribed lines on the working disc are aligned with the scribed lines on the supporting rod, the working disc reaches the dotting position.According to the workbench of the fixed-degree hardness block, calibration errors caused by manual operation are avoided.

Description

technical field [0001] The invention belongs to the field of calibrated hardness blocks, in particular to a workbench for calibrated hardness blocks and a calibrated method thereof. Background technique [0002] The determination of the hardness block is determined by a standard Rockwell hardness tester. "Standard Metal Rockwell Hardness Blocks" stipulates the calibration method of the hardness block. The specific method is to use a standard Rockwell hardness tester to press 6 indentations on the working surface of the hardness block, and the first indentation is ignored. The remaining 5 indentations are evenly distributed. The arithmetic mean of the measured 5 indentation hardness values ​​is the hardness value of the hardness block, and the difference between the maximum value and the minimum value among the 5 indentation hardness values ​​is the uniformity of the hardness block. Uniformity is the main technical index of the hardness block. The verification regulations o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/44G01N3/02G01N3/04
CPCG01N3/44G01N3/02G01N3/04G01N2203/0405G01N2203/0682
Inventor 李自武刘朋成李风雷刘戎冯维华曹仕国郑琳叶郁枫
Owner AECC AVIATION POWER CO LTD
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